RBS definitions

[cperezabo]

Hi, how about adding RBS definitions? They are needed for tools like Steep

[alexbevi]

Hey @cperezabo and thanks for reporting this. We previously had a ticket opened for investigating adding Sorbet support (RUBY-1801), but we have now created RUBY-3360 to look at this more holistically.

I'm going to close this topic as any further discussion would take place there.